Island



(No Model) P. L. BURROWS. EoLEEE FOR ADJUSTABLE GUARDS EoE EYEGLASSES.

No. 585,813. Patented July 6, 1897.

7 of \J UNITED STATES PATENT OFFICE.

FRANK L. BURROIVS, OF CRANSTON, RHODE ISLAND, ASSIGNOR TO CHARLES A. WILKINSON, OF IVARVVIOK, AND DUTEE IVILCOX, OF PROVIDENCE, RHODE ISLAND.

HOLDER FOR ADJUSTABLE GUARDS FOR EYEGLASSES.

SPECIFICATION forming part of Letters Patent No. 585,813, dated July 6, .1897.

Application filed April 5, 1897. Serial No. 630,724. (No model.)

To aZZ whom it may concern.- eye-rim, one of the prongs, m, extending radi- Be it known that I, FRANK L. BURROWS, of ally from the curved eye-rim B and the other the town of Cranston, in the county of Proviof the prongs, 02, extending substantially in a dence, in the State of Rhode Island, have indirection parallel with the eye-rim. The prong vented a certain new and useful Improveor hook n has its head flattened out, so that it ment in Holders for Adjustable Guards for is thinner than the body of the holder, but Eyeglasses; and I declare the following to be somewhat wider, all as shown in Figs. 3 and 4.

a specification thereof, reference being had The strip G having been inserted longituto the accompanying drawings. dinally between the cork E and the shell F, as

10 Figure 1 is an elevation of a pair of eye illustrated in Fig. 5, has the end which is glasses having my improved holder for the made with the slot 19 bent at a right angle adjustable guards thereof. Fig. 2 is a perand the opposite end bent into a curved or spective view of the adjustable guard with U shape. the cork and shell combined therewith. Fig. The guard and holder are engaged with [5 3 isaperspective View of one of the eyeglasses each other, as shown in Fig. 7. The broadwith the post and double-pronged holder ened end of the prong or hook n is inserted thereon. Fig. 4 shows said holder in side in the slot 01 of the guard G, while the latter elevation. Fig. 5 is a cross-section on line is held, as shown in said figure, in a direction 00 m of Fig. 3. Fig. 6 is a plan of the guard at a right angle with the plane of the lens or 20 before bending it into shape. Fig. '7 illusthe eye-rim. The guard after it is so engaged 7o trates the manner in which the adjustable is swung around until it extends in the, same guard is engaged with the holder. plane with the lens or eyerim and then is Like letters indicate like parts. swung up in the same plane until the prong My invention relates to that class of eye m of the holder H enters the hole 0 of the 2 5 glasses made with adjustable guards; and it guardG. The other end of the guard G is consists in forming said guard near its lower then bent or sprung so that its slot 1) engages end with certain slots and in providing a with the bent ends of the connecting-strap s, double-pronged holder of peculiar shape upon as in Fig. 1. By this construction I dispense thev eye-rim, which is engageable with said with the screw-fastening heretofore comgo'guard through the slots thereof, as hereinafmonly used to secure the lower end of the ter particularly described. guard to a post extending from the eye-rim.

In the drawings, A represents the lenses, B The end of the prong n furnishes an edge the rims for the'same, and O the spring. The against which the springuard bears. The spring 0 is fastened in position by screws a Ct, turning of the holder II a quarter-turn in the 5 which confine it within the grooves on the slot 01 of the guard locks the parts together, outer end of the posts D, the latter being while the subsequent engagement of the soldered upon the eye-rimsB, as shown. The prong min the hole 0 confines the parts in usual connecting-straps are shown at s 8. their proper position and prevents lateral The guard is made with the cork pieces E, displacement or twisting.

which are held by the turned edges of the I claim as anovel and useful invention and metallic shell F in the usual manner. A medesire to secure by Letters Patenttallic strip G, Fig. 6, has near one end the 1. The improved holding device for adjustrectangular oblong slot 6 and near its oppoable guards for eyeglasses herein described, site end the round hole 0 and slot d, the latconsisting of the combination with an eye- 45 ter of which is shaped like a keyhole, having rim, of a double-pronged holder, one end exits outer end of a larger diameter than its tending radially from said rim and the other inner end. parallel thereto, and a guard, having a slot On the eye-rimBis a double-pronged holder near one end and two slots near its opposite II, made of cylindrical wire and consisting end,withwhichlast-namedslots,respectively,

50 of a bent portion which-is soldered to the the-prongs of said holder are engageable, a I00 post upon the eye-rim, and a spring and connecting-strap fastened upon said post, the end of said connecting-strap being engageable with the first-mentioned slot of the guard, substantially as specified.

2. In an eyeglass having apair of eye-rims, a post on each eye-rim, a spring and connecting-straps on said posts with the ends of said connecting-straps bent inwardly, the combination of a bent holder on each eye-rim and made of cylindrical Wire, one end or prong thereof extending radially from the eye-rim and the other end or prong thinned and broadened at its extremity and extending parallel With said eye-rim, and two guards, each provided at one end with a slot to receive a bent end of a connecting-strap and provided at the opposite end with two openings, one of which is a round aperture sufficient to receive the first-mentioned prong of the adjacent holder and the other end of Which is a round aperture of like diameter With a slot extending longitudinally therefrom suflicient to receive the broadened thinned edge of the other prong of said holder, all arranged and operating substantially as shown and for the purpose specified.

FRANK L. BURROWS.

Witnesses:

WARREN R. PERCE, DANIEL W. FINK. 

